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authorMartin Schwidefsky2015-09-29 12:51:40 +0200
committerMartin Schwidefsky2015-10-14 14:32:07 +0200
commit395e6aa1d0ffbc493a04469aa8f6751ed2aad8c5 (patch)
tree2ce127f327fc349098908385a0b564ae6136887f /arch/sparc
parent5da7667c035f3a711ec8d0a3997254807dd8bc6d (diff)
s390/mm: try to avoid storage key operation in ptep_set_access_flags
The call to pgste_set_key in ptep_set_access_flags can be avoided if the old pte is found to be valid at the time the new access rights are set. The function that created the old, valid pte already completed the required storage key operation. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/sparc')
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